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For the first time, the manufacturing of metal‐organic framework‐based monoliths using a two‐step process is reported. In a first experiment, the in situ synthesis of Cu3(BTC)2 (benzene tricarboxylate [BTC]) on cordierite monoliths was chosen to immobilize Cu3(BTC)2. As this approach turned out to be of major disadvantages, the manufacturing of Cu3(BTC)2 monolithic structures was chosen. The two‐step fabrication process included the manufacturing of a molding batch in a lab‐scale kneader followed by extrusion in a ram‐extruder. As additives, methyl hydroxyl propyl cellulose and methoxy functionalized siloxane ether were chosen. The resulting monolithic structures have a specific inner surface area of 370 m2/g and show a high mechanical stability of 320 N.

In situ growth of highly porous metal–organic frameworks (MOFs) in the presence of pulp fibers results in high surface area MOF/textile composites. Such a carrier concept is indispensable for any industrial application of MOFs.

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